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Finding the Fourth Proportional to 581,447.71, 802,379.14 and 323,323.39

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Solution

The fourth proportional to 581,447.71, 802,379.14 and 323,323.39 is: 446,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,447.71 : 802,379.14 = 323,323.39 : x
  2. Step 2: Convert to fraction form
    581,447.71/802,379.14 = 323,323.39/x
  3. Step 3: Cross multiply
    581,447.71x = 802,379.14 × 323,323.39
  4. Step 4: Simplify right side
    581,447.71x = 259,427,943,610.09
  5. Step 5: Solve for x
    x = 259,427,943,610.09/581,447.71
  6. Step 6: Final answer
    x = 446,175.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.